Overview

overview

10

Static

static

1

Jsreceipt0...F.html

windows7-x64

10

Jsreceipt0...F.html

windows10-1703-x64

10

Analysis

  • max time kernel
    139s
  • max time network
    143s
  • platform
    windows10-1703_x64
  • resource
    win10-20230621-en
  • resource tags

    arch:x64arch:x86image:win10-20230621-enlocale:en-usos:windows10-1703-x64system
  • submitted
    29/06/2023, 22:45

Sharing

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General

  • Target
    Jsreceipt0193617_PDF.html
  • Size 103B
  • Sample230629-2pcgqsfd55
  • SHA256 07176693f0658bb82e3408ef1e85a545b039acf315749ce888dfce55252696cc
  • MD5 SHA1 SHA512
Score
10/10
vjw0rmpersistencetrojanworm

Malware Config

Extracted

Family

  • vjw0rm

C2

  • http://jsnew9400.duckdns.org:9400

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

    trojanwormvjw0rm
  • Blocklisted process makes network request 1 IoCs
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 51 IoCs
    adwarespyware
  • Modifies registry class 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Jsreceipt0193617_PDF.html
    1⤵
    • Modifies Internet Explorer Phishing Filter
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1824 CREDAT:82945 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2116
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4760
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Temp1_Jsreceipt0193617_pdf.zip\Jsreceipt0193617_pdf.js"
      1⤵
      • Blocklisted process makes network request
      • Drops startup file
      • Adds Run key to start application
      PID:4968

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
          • Size 471B
          • SHA256 0b69c52b5e2faba2e0b7d6e67a7693e333d0aea0dbb80cb95764fd50b9a0e799
          • MD5 SHA1 SHA512
          Submit Download

          7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
          • Size 404B
          • SHA256 07c6a299470f1359e6f5fc545955328a938c69e06580ba3a3079b7faf509cf3f
          • MD5 SHA1 SHA512
          Submit Download

          Jsreceipt0193617_pdf.zip.5khy18z.partial
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\KNTZ9GX2\Jsreceipt0193617_pdf.zip.5khy18z.partial
          • Size 300KB
          • SHA256 a174433a80690c315a52012c68ca86c3b03683ff6fd8420a261146d747ba93fb
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Jsreceipt0193617_pdf[1].zip
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XGKDZR89\Jsreceipt0193617_pdf[1].zip
          • Size 300KB
          • SHA256 a174433a80690c315a52012c68ca86c3b03683ff6fd8420a261146d747ba93fb
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          suggestions[1].en-US
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XGKDZR89\suggestions[1].en-US
          • Size 17KB
          • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          62VHVC1L.cookie
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\62VHVC1L.cookie
          • Size 608B
          • SHA256 31e48c1b155330b170d99cf5d083a3cde07bf473f125be651a38cf218107ac1b
          • MD5 SHA1 SHA512
          Submit Download

          S9ECIX6B.cookie
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\S9ECIX6B.cookie
          • Size 609B
          • SHA256 5d1898aab83d148a1ae580939920e4c63c47a28e8bf91fb6acbdfc4e8e2928b2
          • MD5 SHA1 SHA512
          Submit Download